<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">OK, I'm finally trying to teach myself some TR.<div><br></div><div>I've got a function</div><div>(: mat-cols (Mat -> Index))</div><div>that type-checks and works.</div><div><br></div><div>(:print-type in-range)</div><div>lists a whole bunch of cases including</div><div>(Index -> (Sequenceof Index))</div><div><br></div><div>So why doesn't</div><div><br></div><div><div>(for: [[colnum : Index (in-range (mat-cols m))]] do-something)</div></div><div><br></div><div>type-check? Especially when</div><div><br></div><div>(for: [[colnum : Index (mat-cols m)]] do-something)</div><div><br></div><div>DOES type-check?</div><br><br><div> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Stephen Bloch</div><div><a href="mailto:sbloch@adelphi.edu">sbloch@adelphi.edu</a></div></div></span>GPG key at <a href="http://adelphi.edu/sbloch/sbloch.pubkey.asc">http://adelphi.edu/sbloch/sbloch.pubkey.asc</a></span> </div> <br></body></html>